Update npm test command to remove colors option

Removed the '--colors' option from the npm test command.

Author: sjvans

.github/workflows/node.js.yml

@@ -26,4 +26,4 @@ jobs:
       with:
         node-version: ${{ matrix.node-version }}
     - run: npm i
-    - run: npm test -- --colors
+    - run: npm test